diapedesis

American  

[dahy-uh-pi-dee-sis] / ˌdaɪ ə pɪˈdi sɪs /

noun

Physiology.

1. the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.

---

diapedesis British  

/ ˌdaɪəpəˈdiːsɪs, ˌdaɪəpəˈdɛtɪk /

noun

1. the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues

---

Other Word Forms

• diapedetic adjective

Etymology

Origin of diapedesis

1615–25; < New Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis

Example Sentences

For five successive Fridays the same phenomenon appeared, when a confirmed diapedesis appeared.

From Project Gutenberg

The theory of blood pressure may apply to diapedesis accompanying the inflammatory process.

From Project Gutenberg

Through the openings by which the leucocytes have escaped from the vessels, red corpuscles may be passively extruded—diapedesis of red corpuscles.

From Project Gutenberg

To one of Virchow's pupils, Prof. Recklinghausen, we chiefly owe our knowledge of the phenomena of diapedesis as a part of the inflammatory activity.

From Project Gutenberg

Fournier also mentions a curious case of diapedesis in a woman injured by a cow.

From Project Gutenberg